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kat.hayes

macrumors 65816
Original poster
Oct 10, 2011
1,448
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I have a new iPad Pro 9.7 32GB that I just turned on and when I went to check settings it shows it has a capacity of 26.5GB and 22.5GB are available.

I understand that not all of the available 32GB are available, though why does it show the capacity is only 26.5GB and not 32GB to start with?

Thanks.
 
Understood, though why not show capacity=32gb and available=22.5gb?
 
Because in reality 1 KB is 1024 bytes (and every multiple is a multiple of 1024). However, it's been the trend the last few years to divide the big total number by 1000 (or multiples of), not 1024 (or multiples of). These days, what's advertised as 32 G is really something less than 32 G.
 
Because in reality 1 KB is 1024 bytes (and every multiple is a multiple of 1024). However, it's been the trend the last few years to divide the big total number by 1000 (or multiples of), not 1024 (or multiples of). These days, what's advertised as 32 G is really something less than 32 G.
Starting with iOS 10, the reported 1GB by iOS actually is 1,000,000,000 bytes. You can see the discrepancy if you connect to iTunes where 1GB = 1,073,741,824 bytes.

iOS 9 was still using binary GB.
 
Don’t worry.
Starting from iOS 11, you will see the capacity as 32GB again. (Why I use this word “again”? ;) )
 
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